diff --git a/nj2k/testData/multiFile/NullabilityByDFa/SomeServiceUsage.kt b/nj2k/testData/multiFile/NullabilityByDFa/SomeServiceUsage.kt
index a35995987ce..dd0cdcbf95c 100644
--- a/nj2k/testData/multiFile/NullabilityByDFa/SomeServiceUsage.kt
+++ b/nj2k/testData/multiFile/NullabilityByDFa/SomeServiceUsage.kt
@@ -39,6 +39,10 @@ class SomeServiceUsage {
     // nullable, safe-call
     fun aString6(): String? {
         val s = serviceNullable
-        return s?.nullableString()
+        return if (s != null) {
+            s.nullableString()
+        } else {
+            null
+        }
     }
 }
\ No newline at end of file
diff --git a/tests/mute-common.csv b/tests/mute-common.csv
index 1fdade23e28..a02be0c3d18 100644
--- a/tests/mute-common.csv
+++ b/tests/mute-common.csv
@@ -64,7 +64,6 @@ org.jetbrains.kotlin.idea.resolve.ReferenceResolveTestGenerated.DelegatedPropert
 org.jetbrains.kotlin.tools.projectWizard.wizard.ProjectTemplateNewWizardProjectImportTestGenerated.GradleGroovy.testMultiplatformApplication,,,
 org.jetbrains.kotlin.tools.projectWizard.wizard.ProjectTemplateNewWizardProjectImportTestGenerated.GradleKts.testMultiplatformApplication,,,
 org.jetbrains.kotlin.gradle.NewMultiplatformIT.testJavaSupportInJvmTargets,,,
-org.jetbrains.kotlin.nj2k.NewJavaToKotlinConverterMultiFileTestGenerated.testNullabilityByDFa,,,
 org.jetbrains.kotlin.checkers.JavaAgainstKotlinBinariesCheckerTestGenerated.testJvmOverloadsFunctions,,, FLAKY
 org.jetbrains.kotlin.checkers.JavaAgainstKotlinBinariesCheckerTestGenerated.testReturnInnerClasses,,, FLAKY
 org.jetbrains.kotlin.checkers.JavaAgainstKotlinBinariesCheckerTestGenerated.testThrowsOnGenericMethod,,, FLAKY